CN107104488A - Electric method and storage medium on array - Google Patents
Electric method and storage medium on array Download PDFInfo
- Publication number
- CN107104488A CN107104488A CN201710420963.0A CN201710420963A CN107104488A CN 107104488 A CN107104488 A CN 107104488A CN 201710420963 A CN201710420963 A CN 201710420963A CN 107104488 A CN107104488 A CN 107104488A
- Authority
- CN
- China
- Prior art keywords
- controlled switch
- current value
- array
- loop
- battery pack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000005611 electricity Effects 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
Classifications
-
- H02J7/0026—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0019—Circuits for equalisation of charge between batteries using switched or multiplexed charge circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Field is used the present invention relates to battery, disclose a kind of for method and storage medium electric on array, the array is included by bus multiple battery packs in parallel, each battery pack includes multiple battery units of series connection, major loop and subsidiary loop in parallel is each connected between battery pack and bus, the major loop includes main gate-controlled switch, and subsidiary loop includes the auxiliary gate-controlled switch and current limiting element of series connection.This method includes：Before array is to electricity in electrical equipment, each auxiliary gate-controlled switch is closed；The current value of each subsidiary loop is flowed through in detection；Each current value detected is compared with predetermined current value；It is both less than in each current value detected or during equal to predetermined current value, closes each main gate-controlled switch；And charged by bus to electrical equipment.What the present invention was provided a kind of can realize the uniformity of each battery anode voltage before electricity for electric method on array on the battery pack.
Description
Technical field
The present invention relates to battery charging field, and in particular to a kind of for method and storage medium electric on array.
Background technology
In energy crisis increasingly serious today, lithium battery is with advantages such as its high-energy-density and the feature of environmental protection gradually electronic
It is widely applied on automobile, large-scale energy storage system.When lithium battery is applied in extensive energy-storage battery group, in order to obtain height
Voltage and high-energy, often first connect to battery cell, rear to carry out form in parallel, constitute array.Battery in parallel
There is circulation problem in group, i.e., when two row battery packs carry out in parallel, the high battery pack of voltage can be low to voltage in power up
Battery pack charged, if two row battery voltages difference it is excessive if, immediate current is very big, it is possible to can cause battery pack
Or relay damage, cause security incident.
The circulation control for battery pack does not have good method, one kind control ring in charging process in the prior art
The method of stream is to be detected by battery management system per battery pack stagnation pressure all the way, then from low to high, closure charging control successively
Device processed, so as to realize the circulation control in charging process.This mode it is less efficient, and to the current control requirements of charging
It is higher, it not can solve this problem.
The content of the invention
It is an object of the invention to provide a kind of for method and storage medium electric on array, this method can be in electricity
Carry out the circulation control of array when electric on the array of pond, it is simple and efficiently realize pre- between each battery pack of array
Charging, the storage medium passes through processor application this method when can be electric on array.
To achieve these goals, one aspect of the present invention provides a kind of for method electric on array, battery
Array is included by bus multiple battery packs in parallel, and each battery pack includes multiple battery units of series connection, each battery pack
Major loop and subsidiary loop in parallel is connected between bus, the major loop includes gate-controlled switch, and the subsidiary loop includes string
The auxiliary gate-controlled switch and current limiting element of connection, this method include：Before array is to electricity in electrical equipment, each is closed auxiliary
Help gate-controlled switch；The current value of each subsidiary loop is flowed through in detection；Each current value detected and predetermined current value are carried out
Compare；It is both less than in each current value detected or during equal to predetermined current value, closes each main gate-controlled switch；And pass through
The bus is to power supply for electrical equipment.
Preferably, this method can also include：While each main gate-controlled switch is closed, disconnect each and aid in controllable open
Close.
Preferably, the range size of predetermined current value can be 0.1 to 1 microampere.
Preferably, the electricity for flowing through each subsidiary loop is detected by being coupling in the current sensor in each subsidiary loop
Flow valuve.
Preferably, the current sensor can be Hall current sensor.
Preferably, the main gate-controlled switch can include at least one of following：Relay, triode and FET.
Preferably, the secondary gate-controlled switch can include at least one of following：Relay, triode and FET.
Another aspect of the present invention additionally provides a kind of storage medium, and be stored with instruction in the storage medium, the instruction
So that computing device this method when being executed by processor.
By above-mentioned technical proposal, the method that the present invention is provided sets subsidiary loop between each battery pack and bus,
Mutually charged by between each battery anode by subsidiary loop before electricity on battery, each battery pack is being reached with this just
The equal purpose of voltage across poles, further, since there is current limiting element in subsidiary loop, the size of current in subsidiary loop also by
Rational scope is limited in, can also so be avoided because the problem of circuit is sintered caused by electric current is excessive.
Other features and advantages of the present invention will be described in detail in subsequent embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute a part for specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structural representation for device electric on array according to the embodiment of the present invention；And；
Fig. 2 is a kind of flow chart for method electric on array according to the embodiment of the present invention.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
Fig. 1 is the schematic diagram for device electric on array realized according to the embodiment of the present invention, in Fig. 1
In, array includes including the multiple of series connection by bus multiple battery pack B1~Bn in parallel, each battery pack B1~Bn
Battery unit, the device includes：Controller (not shown)；The master parallel with one another connected between each battery pack and bus returns
Road and subsidiary loop, the major loop include main gate-controlled switch K1~Kn, and the subsidiary loop includes the auxiliary gate-controlled switch S1 of series connection
~Sn and current limiting element R1~Rn.
Fig. 2 is the flow chart for method electric on array according to the embodiment of the present invention, in fig. 2, should
Method comprises the following steps：
In step slo, subsidiary loop is connected.Before array is to electricity in electrical equipment, controller is first closed respectively
Individual auxiliary gate-controlled switch S1~Sn, because array is before upper electricity, its each battery pack B1~Bn included cathode voltage
Have differences, then now, each battery pack B1~Bn will mutually be charged by subsidiary loop, but be due to subsidiary loop
Size of current in current limiting element R1~Rn presence, subsidiary loop is limited in rational scope, will not damage auxiliary controllable
Switch the electric current in S1~Sn, and the reduction of the voltage difference with each battery pack B1~positive interpolars of Bn, subsidiary loop
It is gradually reduced.In the present embodiment, the main gate-controlled switch K1~Kn and auxiliary gate-controlled switch S1~Sn can select relay,
Can also be from least one of triode, FET.
In step S20, the current value of each subsidiary loop is flowed through in detection.In Fig. 1, can be using series current sensing
Device Ic1~Icn mode, current sensor Ic1~Icn detects the size of current in each subsidiary loop respectively, and by electric current
Value is transmitted to controller.In the present embodiment, current sensor Ic1~Icn can select Hall current sensor.
In step s 30, judge whether the current value in each subsidiary loop is respectively less than or equal to predetermined current value.In figure
In 1, the step is performed by controller.The controller can select microcontroller, can also select battery management system
(Battery Management System, BMS), in this embodiment, can preferably select BMS.For scheduled current
It is worth the selected of scope, 0.1~1 microampere can be selected, can also preferably selects 0.1 microampere of predetermined current value.
In step s 40, if it is judged that the electric current in subsidiary loop is less than or equal to predetermined current value, disconnecting auxiliary can
Control switch S1~Sn, and closes main gate-controlled switch K1~Kn so that battery pack B1~Bn is by bus to power supply for electrical equipment.
In Fig. 1, auxiliary gate-controlled switch S1~Sn can be disconnected, and close main gate-controlled switch K1~Kn.Due to now each battery pack B1
The voltage difference of~Bn positive interpolar can be ignored, then, the electric current of each battery pack B1~positive interpolars of Bn also reduces
To 0, so main gate-controlled switch K1~Kn would not also occur because the situation that electric current in current supply circuit is excessive and sinters.
As shown in figure 1, array is composed in parallel by n battery pack B1~Bn, in each subsidiary loop, there is master controllable
K1~Kn, current limiting element R1~Rn of each subsidiary loop comprising series connection and auxiliary gate-controlled switch S1~Sn are switched, in addition, auxiliary
Current sensor Ic1~Icn is also included in loop, current sensor Ic1~Icn is used to detect that the electric current in subsidiary loop is big
It is small.
On array before electricity, close first all auxiliary gate-controlled switch S1~Sn (now main gate-controlled switch K1~
Kn is off), battery pack B1~Bn low to voltage battery pack B1~Bn for making the voltage in array high is carried out
Electric current in charging, current sensor Ic1~Icn detection subsidiary loop, until the current value in all subsidiary loops be less than or
Equal to pre-set current value Is.Current value in subsidiary loop is less than or equal to after pre-set current value Is, controller control auxiliary
Gate-controlled switch S1~Sn disconnects the connection of subsidiary loop, and closes main gate-controlled switch K1~Kn so that battery pack B1~Bn connects
Enter bussed supply, so as to enter working condition.In the process, due to current limiting element R1~Rn presence, the electricity in subsidiary loop
Stream is limited in zone of reasonableness always, so as to avoid main gate-controlled switch K1~Kn and auxiliary gate-controlled switch S1~Sn sintering
Hidden danger, extends its service life.
In addition, embodiments of the present invention additionally provide a kind of storage medium, be stored with instruction in the storage medium, and this refers to
Order enables a processor to perform the above method when being executed by processor.By taking controller as an example, this has been previously written in controller
Instruction, so that controller can be in real time controlled the device.
, can be by connection array provided by the present invention for array method by above-mentioned technical proposal
Each battery pack B1~Bn the mode of subsidiary loop is set, each battery pack B1~Bn is mutually charged to reach before upper electricity
The equal purpose of each battery anode voltage, meanwhile, also use and set current limiting element R1~Rn mode to avoid auxiliary
Occur the excessive situation of electric current in loop, protect each gate-controlled switch, extend its service life.In addition, the present invention is provided
Storage medium also can be executed by processor to realize the above method.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (8)
1. a kind of for method electric on array, the array includes multiple battery packs by bus parallel connection, often
Individual battery pack includes multiple battery units of series connection, major loop in parallel is connected between each battery pack and the bus and auxiliary
Loop is helped, the major loop includes main gate-controlled switch, and the subsidiary loop includes the auxiliary gate-controlled switch and current limiting element of series connection,
Characterized in that, methods described includes：
Before the array is to electricity in electrical equipment, each auxiliary gate-controlled switch is closed；
The current value of each subsidiary loop is flowed through in detection；
Each current value detected is compared with predetermined current value；
It is both less than in each current value detected or during equal to the predetermined current value, closes each main gate-controlled switch；And
The power supply for electrical equipment is given by the bus.
2. according to the method described in claim 1, it is characterised in that methods described also includes：Closing each main gate-controlled switch
While, disconnect each described auxiliary gate-controlled switch.
3. according to the method described in claim 1, it is characterised in that the scope of the size of the predetermined current value is 0.1 to 1 micro-
Peace.
4. according to the method described in claim 1, it is characterised in that pass through the current sensor being coupling in each subsidiary loop
To detect the current value for flowing through each subsidiary loop.
5. method according to claim 4, it is characterised in that the current sensor is Hall current sensor.
6. according to the method described in claim 1, it is characterised in that the main gate-controlled switch includes at least one of following：
Relay, triode and FET.
7. according to the method described in claim 1, it is characterised in that the auxiliary gate-controlled switch include it is following at least one
Person：Relay, triode and FET.
8. a kind of storage medium, it is characterised in that be stored with instruction in the storage medium, the instruction causes when being executed by processor
The computing device is used for method electric on array according to any one claim in claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710420963.0A CN107104488A (en) | 2017-06-07 | 2017-06-07 | Electric method and storage medium on array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710420963.0A CN107104488A (en) | 2017-06-07 | 2017-06-07 | Electric method and storage medium on array |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107104488A true CN107104488A (en) | 2017-08-29 |
Family
ID=59660018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710420963.0A Pending CN107104488A (en) | 2017-06-07 | 2017-06-07 | Electric method and storage medium on array |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107104488A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193633A (en) * | 2021-06-04 | 2021-07-30 | 傲普(上海)新能源有限公司 | Battery cluster access method and device, energy storage power station, equipment and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208820A (en) * | 2010-03-29 | 2011-10-05 | 比亚迪股份有限公司 | Energy storage battery pack parallel-connection device and control method thereof |
| CN104701926A (en) * | 2013-12-03 | 2015-06-10 | 三星Sdi株式会社 | Battery system and method for connecting a battery to the battery system |
| CN103311979B (en) * | 2012-03-15 | 2015-07-29 | 株式会社日立制作所 | Battery system |
| CN103414224B (en) * | 2013-08-14 | 2016-02-10 | 惠州市亿能电子有限公司 | A kind of high-tension integrated battery group system of Large Copacity and control method thereof |
| CN205141742U (en) * | 2015-11-16 | 2016-04-06 | 深圳市智锂能源科技有限公司 | Large capacity battery access system that connects in parallel |
-
2017
- 2017-06-07 CN CN201710420963.0A patent/CN107104488A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208820A (en) * | 2010-03-29 | 2011-10-05 | 比亚迪股份有限公司 | Energy storage battery pack parallel-connection device and control method thereof |
| CN103311979B (en) * | 2012-03-15 | 2015-07-29 | 株式会社日立制作所 | Battery system |
| CN103414224B (en) * | 2013-08-14 | 2016-02-10 | 惠州市亿能电子有限公司 | A kind of high-tension integrated battery group system of Large Copacity and control method thereof |
| CN104701926A (en) * | 2013-12-03 | 2015-06-10 | 三星Sdi株式会社 | Battery system and method for connecting a battery to the battery system |
| CN205141742U (en) * | 2015-11-16 | 2016-04-06 | 深圳市智锂能源科技有限公司 | Large capacity battery access system that connects in parallel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193633A (en) * | 2021-06-04 | 2021-07-30 | 傲普(上海)新能源有限公司 | Battery cluster access method and device, energy storage power station, equipment and storage medium |
| CN113193633B (en) * | 2021-06-04 | 2023-09-08 | 傲普(上海)新能源有限公司 | Battery cluster access method, device, energy storage power station, equipment and storage medium |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170829 |
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| RJ01 | Rejection of invention patent application after publication |